Piston for radial piston hydraulic engine and method for making same
US8146483B2 · kind B2 · utility
1Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2007 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Feb 19, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B1/0408
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A piston including a body having a guiding and sealing surface, a base, and a top, which top is provided with a cradle-shaped recess in which a journal-bearing lining is retained by stop surfaces formed on the edges of the recess. The stop surfaces are formed by deforming the edges of the recess towards the inside thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.